Fitness trackers might be smart enough to predict colds and flus, but they’re no replacement for a doctor

New research suggests that fitness tracker accuracy is bigger than counting steps—they can be used to predict the flu. Here's what experts want you to know.

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Photo: Getty Images/<br />warrengoldswain

16 Upper Glutes Exercises Personal Trainers Swear By for a Stronger Butt

Why your upper glutes deserve more love, and the best exercises to strengthen them.

woman doing an upper glutes exercise with an exercise band.